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Fileside vs Q-Dir: catalog facts
Fileside	Q-Dir
Paid Paid licence with a free trial.	Free Free for private use. Commercial use requires a donation licence.
Windows, macOS	Windows
Tiled multi-pane layouts saved per project Keyboard palette for jumping between folders	Four panes at once makes multi-folder sorting quick Tiny portable executable
Paid after the trial No Linux version	Licence is free for private use; commercial use requires a donation licence Interface is cramped and dated
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.